Home / 38,362.43-57,542.27-13,402.39

Finding the Fourth Proportional to 38,362.43, 57,542.27 and 13,402.39

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Solution

The fourth proportional to 38,362.43, 57,542.27 and 13,402.39 is: 20,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362.43 : 57,542.27 = 13,402.39 : x
  2. Step 2: Convert to fraction form
    38,362.43/57,542.27 = 13,402.39/x
  3. Step 3: Cross multiply
    38,362.43x = 57,542.27 × 13,402.39
  4. Step 4: Simplify right side
    38,362.43x = 771,203,944.03
  5. Step 5: Solve for x
    x = 771,203,944.03/38,362.43
  6. Step 6: Final answer
    x = 20,103.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.